Rail-babbler
| Rail-babbler | |
|---|---|
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Suborder: | Passeri |
| Family: |
Eupetidae Bonaparte, 1850 |
| Genus: |
Eupetes Temminck, 1831 |
| Species: | E. macrocerus |
| Binomial name | |
|
Eupetes macrocerus Temminck, 1831 |
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The rail-babbler or Malaysian rail-babbler (Eupetes macrocerus) is a strange, rail-like, brown and pied ground living bird. It is the only species in the genus Eupetes and family Eupetidae. It lives the floor of primary forest in the Malay Peninsula and Sumatra (the nominate subspecies macrocerus), as well as Borneo (ssp. borneensis), distantly related to African crow-like birds. Its population has greatly decreased because much of the lowland primary forest has been cut, and secondary forests usually have too dense a bottom vegetation or do not offer enough shade to be favourable for the species. However, it is locally still common in logged forest or on hill-forest on slopes, and probably not in immediate danger of extinction. The species is poorly known and rarely seen, in no small part due to its shyness.
Opinions on the correct taxonomic placement for the rail-babbler have differed. At one time, it was placed in the Old World babbler family, Timaliidae. Until recently, it had been regarded as being related to a group which included the quail-thrushes and whipbirds, and placed in the family Cinclosomatidae (previously in Orthonychidae when the members of the Cinclosomatidae were regarded as belonging with the logrunners). That relationship meant that the blue jewel-babbler of New Guinea was placed in the genus Eupetes until 1940, before being moved to Ptilorrhoa.
However, Serle (1952) had pointed out a number of similarities between this species and the two species of rockfowl (Picathartes): similar proportions, the position of the nostrils, the shape of the forehead, and that of the tail. In 1973 Charles Sibley dismissed the resemblance to Picathartes as "almost certainly the result of convergence", but did suggest it merited further examination. Based on molecular studies, Jønsson et al. (2007) argues that this is closer to the correct position for this species; the rail-babbler is most closely related to the rockjumpers, another early branch of the oscine passerines. As such, it is more correctly placed in a monotypic family, Eupetidae.
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Wikipedia